help me

Auburn
Okay ladies somebody help please , my " guy " ejaulated in me ( the 2nd on the month ) , my ovulation week ended 2-3 days before the 2nd . While waiting on my period I started to get back pain , stomach pains , headaches , just flat out grouchy & this was days before my period was suppose to start . It's now the day of my period and I wiped and I seen a lot of pinkness then there were 3 wet spots in my panties with white discharge, I'm not in birth control of any kind and I need to know something . Please help ! Has anybody gone through this ? If so what happened. Thank you guys